| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 98 of 98 | 0% | 8 of 8 | 0% | 8 | 8 | 14 | 14 | 4 | 4 |
| format(JSError) | | 0% | | 0% | 5 | 5 | 10 | 10 | 1 | 1 |
| formatError(JSError) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| formatWarning(JSError) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| VerboseMessageFormatter(SourceExcerptProvider) | | 0% | n/a | 1 | 1 | 2 | 2 | 1 | 1 |